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Patent Searching and Data


Title:
DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/167712
Kind Code:
A1
Abstract:
The present invention provides a double-sided pressure-sensitive adhesive sheet which is thin and, despite this, has high adhesive force and which is inhibited from increasing in adhesiveness and has suitability for reapplication. The double-sided pressure-sensitive adhesive sheet comprises a core material and, disposed on both surfaces thereof, pressure-sensitive adhesive layers formed from a pressure-sensitive adhesive composition comprising 100 parts by mass of a (meth)acrylic copolymer, 40-70 parts by mass of a tackifier resin, and 0.01-5 parts by mass of a crosslinking agent, and is characterized in that the core material has a thickness of 1-12 μm and the pressure-sensitive adhesive layers disposed on both surfaces of the core material each have a thickness of 1-12 μm, and the sheet satisfies specific requirements.

Inventors:
NAKANO Kota (29-5,Takada 3-chome,Toshima-k, Tokyo 31, 〒1718531, JP)
Application Number:
JP2019/005981
Publication Date:
September 06, 2019
Filing Date:
February 19, 2019
Export Citation:
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Assignee:
SOKEN CHEMICAL & ENGINEERING CO., LTD. (29-5, Takada 3-chome Toshima-k, Tokyo 31, 〒1718531, JP)
International Classes:
C09J7/38; C09J11/06; C09J133/00
Domestic Patent References:
WO2015151223A12015-10-08
WO2014156642A12014-10-02
WO2013191106A12013-12-27
Foreign References:
JP2010254979A2010-11-11
JPH09316417A1997-12-09
Attorney, Agent or Firm:
TRY INTERNATIONAL IP LAW FIRM (Kudan Fujiyama Building 2F, 4-7-10 Kudanminam, Chiyoda-ku Tokyo 74, 〒1020074, JP)
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